AutoCodes – Ford – P1651 2008 Ford Fusion

P1651 2008 Ford Fusion Code - Power Steering Pressure Switch Input Fault

Quick Answer

The Powertrain Control Module (PCM) counts the number of vehicle speed transitions from 0 to a calibrated speed. Common causes include Vehicle towed with engine running, Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P1651 2008 Ford Fusion indicates Power Steering Pressure Switch Input Fault.
Common causes: Common causes include Vehicle towed with engine running, Faulty Power Steering Pressure (PSP), Power Steering Pressure (PSP) harness is open or shorted.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 4,164

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1651 2008 Ford Fusion Description

The Powertrain Control Module (PCM) counts the number of vehicle speed transitions from 0 to a calibrated speed. After a calibrated number of speed transitions, the PCM expects the Power Steering Pressure (PSP) input to change. This DTC is set if the transition is not detected.

OBDII Code P1651 2008 Ford Fusion - Power Steering Pressure Switch Input Fault - AutoCodes.com — P1651 2008 Ford Fusion Code - Power Steering Pressure Switch Input Fault

What does this mean?

What are the Possible Causes of the DTC P1651 2008 Ford Fusion?

Vehicle towed with engine running
Faulty Power Steering Pressure (PSP)
Power Steering Pressure (PSP) harness is open or shorted
Power Steering Pressure (PSP) circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1651 2008 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1651 2008 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1651 2008 Ford Fusion code?

Need more information on how to fix the P1651 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1651 2008 Ford Fusion Code

What does the OBDII code P1651 mean for a 2008 Ford Fusion?

P1651 indicates a Power Steering Pressure Switch Input Fault, meaning the vehicle's computer has detected an issue with the power steering pressure switch.

What are common symptoms of the P1651 code?

Symptoms may include a warning light on the dashboard, difficult steering, increased effort when turning, or intermittent power steering assist.

What could cause the P1651 code to trigger?

Possible causes include a faulty power steering pressure switch, damaged wiring or connectors, low power steering fluid, or issues within the power steering pump.

How can I diagnose the P1651 code?

Start by checking the power steering fluid level and condition, inspect the wiring and connectors for damage, and test the power steering pressure switch for proper operation.

Is it safe to drive with the P1651 code?

While it may be possible to drive the vehicle, steering may be affected, making it unsafe. Itâ€™s best to address the issue promptly to ensure safe handling.

What is the typical repair for a P1651 code?

Repairs may involve replacing the power steering pressure switch, fixing any damaged wiring or connectors, or addressing issues with the power steering system itself.

How can I clear the P1651 code after repairs?

Use an OBDII scanner to erase the code from the vehicle's computer after completing the necessary repairs, and then take the vehicle for a test drive to ensure the issue does not return.

Can the P1651 code cause damage to my vehicle?

If left unaddressed, issues with the power steering system could lead to more serious steering problems, which may compromise vehicle safety.

Should I consult a professional mechanic for the P1651 code?

If you are not experienced with vehicle repairs, it is advisable to consult a professional mechanic to diagnose and fix the underlying issues related to the P1651 code.